616606 has 4 divisors (see below), whose sum is σ = 924912. Its totient is φ = 308302.

The previous prime is 616597. The next prime is 616639. The reversal of 616606 is 606616.

616606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a pancake number, because a pancake can be divided into 616606 parts by 1110 straight cuts.

It is a congruent number.

It is an unprimeable number.

616606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154150 + ... + 154153.

It is an arithmetic number, because the mean of its divisors is an integer number (231228).

2⁶¹⁶⁶⁰⁶ is an apocalyptic number.

616606 is a deficient number, since it is larger than the sum of its proper divisors (308306).

616606 is a wasteful number, since it uses less digits than its factorization.

616606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308305.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 616606 is about 785.2426376605. The cubic root of 616606 is about 85.1143098725.

The spelling of 616606 in words is "six hundred sixteen thousand, six hundred six".